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1.
Studies on the quaternary structure of the lobster exoskeleton carotenoprotein, crustacyanin.
Quarmby, B; Norden, D A; Zagalsky, P F; Ceccaldi, H J; Daumas, R.
Comp Biochem Physiol B ; 56(1): 55-61, 1977.
Article in English | MEDLINE | ID: mdl-830471

Subject(s)
Carotenoids/analysis , Nephropidae/analysis , Proteins , Amino Acids/analysis , Animals , Apoproteins , Macromolecular Substances , Molecular Weight , Protein Binding , Protein Conformation , Proteins/isolation & purification
2.
Essential fatty acid deficiency in patients with lesions of the gastrointestinal tract.
Wapnick, S; Norden, D A; Venturas, D J.
Gut ; 15(5): 367-70, 1974 May.
Article in English | MEDLINE | ID: mdl-18668845

ABSTRACT

The relative amounts of unsaturated fatty acids in the serum lipids of 14 patients who have undergone small bowel resection have been investigated. These results are compared with those from control subjects and also from patients suffering from cancer of the oesophagus.Both groups of patients showed patterns of unsaturated fatty acids suggesting essential fatty acid deficiency. In the resection patients there was no correlation between the extent of intestinal removal and the extent of the change in the unsaturated fatty acid pattern.

3.
Some substances affecting the activity of proline dehydrogenase of insect flight muscle and rat kidney mitochondria.
Norden, D A; Matanganyidze, C.
Comp Biochem Physiol B ; 47(3): 717-24, 1974 Mar 15.
Article in English | MEDLINE | ID: mdl-4452237

Subject(s)
Kidney/enzymology , Mitochondria, Muscle/enzymology , Mitochondria/enzymology , Oxidoreductases Acting on CH-NH Group Donors/metabolism , Animals , Antimetabolites/pharmacology , Diptera/enzymology , Flight, Animal , Grasshoppers/enzymology , Kinetics , Oxaloacetates/pharmacology , Proline , Rats , Species Specificity , Succinate Dehydrogenase/antagonists & inhibitors , Tsetse Flies/enzymology
4.
Letter: Urinary loss of protein and amino acids in Schistosoma haematobium infection. A quantitative estimate.
Norden, D A; Gelfand, M.
Trans R Soc Trop Med Hyg ; 67(4): 607-8, 1973.
Article in English | MEDLINE | ID: mdl-4785463

Subject(s)
Amino Acids/urine , Proteinuria/etiology , Schistosomiasis/urine , Adolescent , Adult , Child , Humans , Male , Schistosoma haematobium
5.
The inhibition of trypsin and some other proteases by ovorubin, a protein from the eggs of Pomacea canaliculata.
Norden, D A.
Comp Biochem Physiol B ; 42(4): 569-76, 1972 Aug 15.
Article in English | MEDLINE | ID: mdl-4263076

Subject(s)
Egg Proteins , Snails/analysis , Trypsin Inhibitors , Acylation , Amylases/antagonists & inhibitors , Animals , Apoproteins , Carbohydrates/analysis , Caseins , Chromatography, Ion Exchange , Chymotrypsin/antagonists & inhibitors , Egg Proteins/analysis , Egg Proteins/isolation & purification , Electrophoresis, Paper , Female , Fucose/analysis , Glucosamine/analysis , Glycosaminoglycans , Ovum/analysis , Papain/antagonists & inhibitors , Pronase/antagonists & inhibitors , Protease Inhibitors , Time Factors
6.
Bilharzia and bladder cancer. An investigation of urinary -glucuronidase associated with S. haematobium infection.
Norden, D A; Gelfand, M.
Trans R Soc Trop Med Hyg ; 66(6): 864-6, 1972.
Article in English | MEDLINE | ID: mdl-4653042

Subject(s)
Glucuronidase/urine , Schistosoma haematobium , Schistosomiasis/enzymology , Urinary Bladder Neoplasms/enzymology , Adult , Child , Creatinine/urine , Humans , Parasite Egg Count , Schistosomiasis/urine , Urinary Bladder Neoplasms/etiology , Urinary Bladder Neoplasms/urine
7.
The effect of oral sugars and glycerol on the release of insulin and the utilisation of blood glucose for lipid synthesis.
Norden, D A; Davison, A N.
S Afr J Med Sci ; 36(4): 77-82, 1971 Dec.
Article in English | MEDLINE | ID: mdl-5154250

Subject(s)
Blood Glucose/metabolism , Dietary Carbohydrates/pharmacology , Glycerol/pharmacology , Insulin/metabolism , Lipids/biosynthesis , Adipose Tissue/metabolism , Administration, Oral , Animals , Brain/metabolism , Carbon Isotopes , Diet , Epididymis/metabolism , Fructose/pharmacology , Glucose/pharmacology , Insulin/blood , Insulin Secretion , Intubation, Gastrointestinal , Lipids/analysis , Male , Maltose/pharmacology , Radioimmunoassay , Rats/immunology , Sucrose/pharmacology
8.
Carbohydrate metabolism in flight muscle of the tsetse fly (Glossina) and the blowfly (Sarcophaga).
Norden, D A; Paterson, D J.
Comp Biochem Physiol ; 31(5): 819-27, 1969 Dec 01.
Article in English | MEDLINE | ID: mdl-4312541

Subject(s)
Carbohydrate Metabolism , Diptera , Muscles/metabolism , Tsetse Flies , Animals , Fructose-Bisphosphatase/metabolism , Fructose-Bisphosphate Aldolase/metabolism , Glucose-6-Phosphatase/metabolism , Glucose-6-Phosphate Isomerase/metabolism , Glucosyltransferases/metabolism , Glycogen/analysis , Glycoside Hydrolases/metabolism , Mitochondria, Muscle/enzymology , Muscles/enzymology , Phosphofructokinase-1/metabolism , Phosphoglucomutase/metabolism , Succinate Dehydrogenase/metabolism
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